| CHAMFER ANGLE | 30.0 DEGREES NOMINAL AND 45.0 DEGREES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| FASTENER LENGTH | 1.353 INCHES MINIMUM AND 1.383 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, STEEL, 180 KSI FTU, 450 F EXTERNAL WRENCHING, SPLINE DRIVE, FLANGED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS6415 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 11100 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SPECIAL FEATURES | ALLOY STEEL- 4140 (UNS G41400) PER AMS6382, 4340 (UNS G43406) PER AMS6415 OR AMS6484, 8740 (UNS G87400) PER AMS6322, AMS6325 OR AMS6327, OR 6150 (UNS G61500) PER AMS6448. DOUBLE SHEAR STRENGTH LBF MIN: 16600. |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 24 |
| SPECIFICATION/STANDARD DATA | 80205-NAS-21134 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.531 INCHES MINIMUM AND 0.551 INCHES MAXIMUM |